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Give me some idea as to what this product does exactly, and how I will benefit from spending $$ on it. I have the 411. will i notice anything? The vin is for a 2004 gmc 1500 with a 5.3 vortec. Some parts are not legal for use in California or other . Straight Port Cylinder Heads 6. The Chevrolet 454 was phased out in most passenger vehicles by 1975, but it remained a viable power plant in heavy-duty Chevrolets until 1996. The tuning alone will be the single biggest change you can make to improve power and throttle response. Really? Can you tune my new 2000 ECM and will it work without the original key and ignition harness. The exhaust does not have CATS with dual to the muffler and single exit tailpipe. These modifications will improve net mileage without sacrificing power, resulting in better overall mpg. The upgraded Vortec 7400 is a 7.4L V8 OHV 16V-volt FI engine. The 454 cubic-inch 7400 Vortec V-8 GM motor, which produced 290 horsepower at 4,000 rpm and had 410 pound-feet of torque at 3,200 rpm, was a smooth four cylinder without much difference between the top and bottom. Windage trays are thin, sheet metal plates that bolt to the bottom of the main caps and act as a barrier between the oil in the pan and the crankshaft counterweights. We can even modify these Chevy 454 rebuild kits to your specifications, giving your vehicle exactly what it needs for maximum performance. They said they no longer support my RV and had no parts available. The Vortec 454 was touted as having substantially more power. Dec 18, 2007 . Also I dont have either downstream 02 sensors. Do you still tune the 96 ecm? UltraPower GM / Workhorse 7.4L (454) Custom Tuning - Brazel's RV To find out just how much the 30-year-old behemoth could muster, they took it to Westech Performances dyno room. I have a 1996 Suburban K2500 with the L29 engine and 4l80 trans. Please just leave in the order comments your requests to be done. That being said, the threads on the net are pretty old. Its amazing what some bolt-on parts can do! merci. You may also like. It may not display this or other websites correctly. If you are placing an order to ship outside the United States, Shipping Insurancewill be required and added automatically at checkout. 1999 vortec 454 7.4 - HPTuners The stock Vortec iron head will not tolerate more than .440-inch lift. What is the difference between a Duramax 6.6-liter and a Chevrolet 7.4-liter engine? Yes, we can do that. Just make sure to include that information in the order comments and we can make that happen for you :). The state of California requires that this warning be posted for people purchasing products that reside in California. It has an ohv configuration with two valves per cylinder and a bore and stroke of 4.24 inches x 3 on the intake side. Yes, this would be the compatible ECM with your VIN and part #. Can I tune it myself later with my own tuner or is it still a black box like the oem? Im interested to know if you change the shift points or anything like that cause I have a shift kit in the transmission already. I have a 2000 gmc k2500 with the l29 454. When reliability and performance can't be compromised, you want TXL Wire - not the inexpensive primary wire you find in other harnesses; High strand count copper and high-quality insulation makes for high abrasion resistance and easy routing. Interested, but don't want to buy one to find out i've already got it :D (my unit has 2 previous owners i think). All fuel injector specifications meet or exceed the manufacturer's specification standard. I wish we could say for sure that you will be able to see a nice gain but we try not to over-promise on that. Chevrolet Performance's 454 HO crate engine is a Big-Block bargain - an affordable engine with performance specs that will make you think it's 1970 all over again. Is it possible to upgrade the ECM on my 1994 Fleetwood Southwind Storm 454 TBI w/4L80E trans? You are using an out of date browser. This is not an automatic check, it is performed manually by a parts specialist once the order is placed. Oct 25, 2004 Do you guys know anything about the L29 Vortec motor. Our tuning is custom to your vehicle so if you ever did have a dealer flash the computer it would wipe out the performance settings and revert to stock. We are currently out of clean/painted cases for the PCM's. Just wondering because Id buy one of those as well. You will gain approximately 35-40 horsepower and 45 lb-ft torque. Here is info from COMP Cams. With the intercooler assembly in place, we once again ran the blown big block in anger with amazing results. The Gray, the green with white strip and the black test grounded. Hot Rod And remember, thats all without touching the bottom end. We'll send you the most interesting Street Muscle articles, news, car features, and videos every week. I think they were made before Chevy started using real tornados. The Vortec enhancements simply allowed GM to pass smog at a higher RPM. First off, I snagged a used 454 throttle body off ebay and sent it out to www.rvmorsemachine.com to get bored to 54mm for some decent air flow for this big block project. It was the same size as the outgoing 7.4 L V8, but got a boost in power and more towing capacity. Stronger shift points for towing and power. For this one, I would want you to send your PCM into us to be done. We can send a pre-programmed ECU on core exchange. Great motor and runs strong with gobs of TQ. TQ with those modifications done. The K&N raises the horsepower of your 5.7 Vortec crate engine by 45 percent. Buy your Big Autoparts Ignition Distributor Set DR474 DR331 at Amazon! Check the make, year, and model of your car to see if the VIN number is available. 7.4 Liter Vortec Info | GMC Truck Forum If it does work what would do for pulling and climbing hills? We only specialize in the big block engines. Roller Lifters 5. The intercooler did indeed drop the inlet air temps before the carburetor from 248 degrees to 111 degrees and the cooler charge dramatically improved the power output. However, this engine was developed mostly for large towing ability for CAFE-exempt passenger cars, so there is still room for improvement. 16238212. Buy your Innovative Performance Chip/Power Programmer at Amazon! Hello! We are running about 2-3 days on turnaround right now. The 8.1 Vortec was produced to compete with Dodge's 8.1 Magnum V10, and Ford's V10 Triton engines of the time. 49073 - Banks Power TorqueTubes GM P-series 7.4L 454 96-00, SPW7400 - UltraPower 7.4L Vortec Magnum Workhorse/Chevrolet Spark Plug Wires (1996-2000). After all, every horsepower lost to such "parasitic drag" is one less that won't be helping your truck move down the road. The performance chip is fully compatible with your Chevrolet Silverado 1500 in all trims, including the 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L and 7.4L engines. How much can you get them for? The guys over at Hot Rod magazine wanted to prove its possible to make big horsepower from a Chevrolet big-block V-8 lifted from a junk1986 motorhome. The Official Vortec 454 Info thread - GMT400 It is bone stock except for tow mirrors and Kodiak door handles on all 4. When taken together, this fairly inexpensive approach can be good for noticeable gains in fuel economy. Best, least expensive way to get more power out of this engine is with our custom tune. Will the UltraPower tune, give me the "best bang for my buck" performance increase? The Chevrolet 454s of the 1970s were the most powerful, with the LS5 producing approximately 360 horsepower and the LS6 generating around 450 horsepower. Check if this part fits . Is the Vehicle Control Module an ECM by another name? In the end, we selected a 1999 Gen VI 454 and pulled it from its home in the engine bay of a 1-ton work truck. Solenoid resistance: 12.5 Ohms. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidaysareprocessed on thenext business day. Prices increase after 2/28. I plan on the injector and ignition work done in march. You might also want to consider a high voltage coil, high performance 8 mm spark plug wires and a set of quality aftermarket spark plugs to help your engine ignite more of the fuel that goes through it. Naturally, the truck-based 454s. Buy your Chevrolet Performance 454 crate engine from JEGS High Performance today! Mfg Performance Parts www.straubtechnologies.com www.distributorgears.com Yes, you will still pass emissions as long as you don't tamper with the existing emissions systems. Thanks for any help. I have a 2000 7.4 with a bigger cam cold air kit dual exhaust better mass air flow senser and roller tip rockers can u tune that as well or do you just do stock stuff, I have a 99 k 3500 Chevy 1 ton with 454 5 speed.will your computer tune work in my truck and can I expect 40+hp gain? Use for stock replacement OEM original equipment. my old part number on ecm is 16263494 on 1999 454. The stock injectors are fine for our performance tuning. After configuring a discharge tube and adding some race fuel, we slowly supplied boost to the boneyard big block. The most important changes that are made have to do with spark advance, fueling, transmission shifting and torque management settings. It was utilized in both performance automobiles and trucks, as well as maritime and industrial applications in various combinations. Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. A/T Flywheel, Hedman TEMS headers, and all the other good stuff that goes with a long block. Engineered specifically compatible with General Motors Vortec V8 engines,specifically compatible with General Motors Vortec V8 engines,Offering the quality,reliability,durability. Also known as the Vortec 7400 (7.4L, Regular Production Option designation L29), Chevrolet's Vortec 454 was a modern-day evolution of the company's most legendary big block. In 2001, production of the 7400 line was discontinued. I have now disassembled the entire engine (except the crank and pistons) to check that everything looks good, remove all the dirt and grease and to prepare it for a rebuild. When you buy a single component or a complete kit, like a camshaft, you must ensure that it is suitable for your car. I've noticed a significant performance uptick, but it seems to fall flat in the upper mid-range, almost seems like it could use a MSD multi spark discharge, I don't know, but I'm considering having a dyno test to see what is happening. Banks iDash: SuperGauge & DataMonster. I THINK I want a diesel until I look at the prices. Step 2 Install a high flow air filter and cold air induction intake. I am in a non emissions state My 98 GMC K2500 L29 7.4 litre has 2.5" true dual exhaust with pro Flowmax mufflers an X-Pipe, cat delete but still has both upstream and both downstream o2 sensors. You can either pay $100 for the core and then be refunded when we receive back yours or you can send in your ECM for reprogram. We use cookies to ensure that we give you the best experience on our website. 12568774 438 HP @5300 RPM 500 LB/FT @3500 RPM 1 2 Updated Design The 454 HO features an all-forged rotating assembly for great strength and durability. Can you guys tune that ecm? That extra air going into your engine needs to get out somehow; installing a full aftermarket exhaust system like this is always good for more fuel economy, especially when combined with a freer-flowing intake. 5. Thanks. Is it not the same motor from 96 to 2001. Free shipping for many products! After installed Ultrapower GM/ Workhorse 1998 7.4l Vortec 454c. 1996 c3500 dually 7.4 with 5 speed. These 454 7.4L engines tend to respond pretty well to camshaft changes with good grinds that are designed to produce low and mid-range rpm torque increases. If you had the proper tuning software, you could tune it yourself later. This project will also let customers know if spendintg approx $2300 on all these upgrades is going to give them the results they need from their big block engines. I just put the k&N system on my truck made a huge difference in sound and performance I would deffanitly recomend spending the $250. I have a 2000 7.4 engine transmission and full wire harness and ECM from one motorhome and want to put it in my 1995 motorhome. Also how much horse power and torque do these motors have stock? There was plenty of power left in the YSI, but at 847 hp we couldnt help but be amazed at the extra strength GM put into the design of their 290-hp big block. How To Add 70 Percent More Power to A Chevy 454 V-8 - Top Speed There is a small red wire that has never been connected to anything. performance, modifications, classifieds, troubleshooting, maintenance, and more! If you are wanting to keep the truck otherwise stock, the tuning would be your best upgrade to boost the performance and it would definitely help the low end where you are wanting it to. For a better experience, please enable JavaScript in your browser before proceeding. Primary or Expansion Gauges And Upgrade Kits (52mm) For 2008+ OBDII CAN bus vehicles, Upgrading SIx-Gun, Economind, and SpeedBrake, or use with BBus Sensor Modules. thanks, Hey i have a 1997 chevy k2500 7.4 manual nv4500 trans 3.73 engine bone stock with 45,678 on rebuild with a working good ecm is tunning a question if so how much $. BBK Performance Parts 1710-XC GM VORTEC 305/350/454 80MM POWER PLUS GMC 7.4L/454 JET Performance Parts and Accessories Brand: JET Performance Make: GMC Engine Size: 7.4L/454 Individual Parts Part Groups In-Store Pickup Results 1 - 25 of 117 25 Records Per Page Default Sort JET Performance Programmers 15024 Computer Programmer, Chevy, GMC/Cadillac, Fullsize Pickup/SUV, 4.3L/5.0L/5.7L/7.4L, V6/V8, Each We would recommend speaking directly with a camshaft manufacturer to determine the best for your particular engine. Also how much benefit do you think I would gain by going aftermarket catback exhaust. Yes, we tune for 87 octane unless a higher octane is requested. Once the order is placed and you have paid for a core, we will program a PCM here and ship it with a return shipping label for your core. Is this doable? Best of all, this engine will make that power all day long without the threat of grenading under the stress of a turbo or supercharger. Buy your K&N PF-1000 Fuel Filter at Amazon! We don't however specialize in forced induction applications so we would not be able to help you with that. . m) at 3200 rpm. 800-417-4559 Jay, https://www.ultrarvproducts.com/UltraPower-GM-Workhorse-7.4L-(454)-Custom-Tuning. 3. I will be sending you my ECU. K&N fuel injection performance kit. We have no issues with tuning a higher mileage engine as long as it is in good running condition. watch out for chips as they just bump the fuel curve. Also I want to send you guys mine as core but I wanted to get yours first so Im not without my truck and if something goes wrong I can plug my factory one back in, so can I wait to send mine till after I get yours? 454 vortecgood or bad | Performance Boats Forum The batteries are fully charged and there is 12 volts to the distributor. Learn more. It gets you an EGR blockoff plate for the Vortec 4.3/305/350 engines. It was bone stock 2x4 extended cab dually. With our tuning, peak horsepower is at about 3500 RPM and peak torque is about 2500 RPM. During its five years on the market, the 7400 was employed in 26-foot U-Haul trucks for commercial purposes. L29 Vortec 454 power? - Don Terrill's Speed-Talk Makes NO permanent changes to your vehicle's computer! A stock 12v ain't got **** on a BBC. Buy your Painless Performance 60211 Standard Length MPFI Harness for 1996-2000 GM Vortec 7.4L V8 at Amazon! In addition to the powerful YSI supercharger, the kit included a cog-drive system to eliminate belt slippage under boost. We can also adjust your speedometer to be correct. Also the torque management. Thinner oil drags less on internal engine parts, helping the engine to spin more freely and run more efficiently. I heard these trucks have a torque management system does this computer give my truck back all its power? I recently ordered an ecm for a 7.4 vortec and was very impressed. I have 2000 Itasca, 30 foot Class A motor home with a high mileage engine, will the ECM performance reprogramming, short the life of my engine? Or is it what get is all you get? We've had a lot of issues with 1996 & 1997 PCM's so for the moment we are not tuning those. That model of 454 is alot diffrent then gen 1..It wont take a normal cam and theres some other diffrences that kinda limit what can be done to it.im sure someone will chime in with specifics Yes, it's a OE roller camshaft block and 1 piece gasket crank. If powertrain performance projects and hardcore technical content are your interest, Power & Performance News is the publication designed for you. We are currently waiting on more ECM's to come in to be able to provide them on exchange. Chevrolet BB Gen 6 454-502, '96-'00 Camshafts - Competition Products Even better than the big peak gains was the fact that the cam swap . Will this correct my RPM gauge issue? Truck has k&n air filter, 2.5 inch exhaust (no cats), e3 spark plugs and 8.5mm plug wires. 454 Vortec - What happened to the horsepower? - Google Groups is this unit ready for plug and play. Yes, we can resolve your issues. Using 3.5-inch aluminum tubing from CXRacing, we configured the intercooler between the YSI supercharger and the blow-through carburetor bonnet. Of course, the guys wanted to see what the old iron block had in her, so they ran a baseline test. How to Pick Up Big Power On a Junkyard 454 With a Simple - MotorTrend In search of power, GM reverted to the big-block engine design, with a 454-cubic inch displacement. Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. And performance tune? For GM vehicles, the Vortec variant increased power by 60 horses. Your vehicle is not compatible. The bill: $3,699.96 for all but the carb. I didnt see anything on the site but that doesnt mean I saw everything. I've installed hypertech power programmer, lower thermostat, gale banks torque tube headers and full exhaust, with hi-flow catalytic converters, shift-kit for tranny and larger external cooler. Install a high-flow air filter and a cold air intake. Any "recalibration" would require sending your ECM to us for programming changes. It won't hurt anything to run like that. Vortech supplied a pulley combination that included an 80-tooth crank pulley and 32-tooth blower pulley which provided a drive ratio of 2.5:1. Sequential-Port Fuel Injection (454 only had 2 Throttle Body Injectors) 3. Feel free to call me with your vin # handy if you would like to get your order in. Check if this part fits . I have a 1998 Winnebago Brave on a p30 chassis with the 7.4 with a Banks Power Pack. I am doing a cam swap on a 98 GMC K3500 7.4 comp cams telks me i will need a custom tune according to cam specs this truck is primarily used for towing plan to use stock fuel injection if posdible any info would be greatly appreciated, I have a 1996 Chevrolet K3500 what is 7.4 454. We use the original black box PCM's. The only weak link is the peanut port factory heads and the sprinkler style fuel injection. Yes - We can definitely take advantage of the current modifications done to the truck and really help it out. A cold air induction setup will feed the engine cooler and more oxygen-dense air. Although Chevrolet does not explicitly recommend it, because a full synthetic is so slippery, you can use a lighter weight oil without risk of excessive engine wear. Chevy Performance BBC L29 Vortec Cast Iron Cylinder Head - JEGS $119.95. Vortech Superchargers Im doing a full build on the motor Ive been told that these injections systems dont do well with these kind of upgrades. The GM 7.4L UltraPower ECM has long been the ultimate performance modification you can make to your GM 7.4L powered RV or truck with the highest power gains on the market! Safely gain up to +35 HP and up to +5 MPG in fuel mileage in your vehicle by safely optimizing your air/fuel ratio and timing curve for increased efficiency! Is there a way you could tune that out completely or as much out as you possibly can?